Wuxi Guanya Refrigeration Technology co., ltd
Water Cooled Chiller

Water Cooled Chiller

  • Water Cooled Chiller
  • Ultra-Low Temp. Water-Cooled Chiller-3.JPG
  • Ultra-Low Temp. Water-Cooled Chiller-2.JPG
  • Ultra-Low Temp. Water-Cooled Chiller-1.JPG
Water Cooled Chiller


  • Product Description
  • System Introduce
  • Knowledge Center

1.Temperature ranges from -5℃ ~ -150℃, can meet different temperature
2. Famous brand semi-closed piston compressor, semi-closed bipolar piston compressor, semi-hermetic screw compressor, main brand are BOCK. Bitzer, Copeland, Handbell, fusheng; Plate heat exchanger, Small volume, High efficiency
3. Top imported cold controller(DANFOSS pressure controller, balance valve, expansion valve, solenoid valve, filter drier, Emerson oil separator, ALCO liquid mirror, check valve, etc.)
4. Generator cooling water circuit uses intermediate heat exchanger, improve system reliability and safety.
5. DANFOSS electronic expansion valve, high precision control;
6. Adopt Siemens PLC S7-200/300, LNEYA touch screen, automatic control, temperature curve display, temperature record U disk, fault alarm;
7. Large cooling capacity adopts semi-hermetic screw compressor, electronic expansion valve control, high efficiency and energy saving;
8. Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water;
9. Factory testing: each refrigerating unit is on load test of not less than 12 hours in the factory.

Operating Principle


Model SLJ-2W SLJ-3W SLJ-4W SLJ-6W SLJ-11W
Temperature Range -110℃~-150℃
Cooling
capacity
-120℃ 2kW 3kW 4kW 6kW 11kW
-135℃ 1.4kW 2.1kW 2.8kW 4.2kW 7.7kW
Evaporator area 1.5m2 2m2 2.8m2 4m2 7.8m2
Connection size Φ16 Φ16 Φ16 Φ19 Φ22
Compressor Dorin semi-closed compressor/Bitzer semi-closed compressor
Operation Panel 7-inch color touch screen display, temperature curve record
Control System SIEMENS S7 PLC&Module,Set temperature difference of refrigeration on & off
Evaporator Danfoss/KAORI plate heat exchanger
Condenser Casing type water-cooled condenser / tube-type water-cooled condenser
Intermediate heat exchanger Danfoss/KAORI plate heat exchanger
Refrigeration
accessory
Oil separators, drying filters, expansion valves, refrigeration solenoid valves, pressure control, mirrors, etc. all use Emerson / Danfoss and other brands
Electric AC contactors, intermediate relays, circuit breakers, thermal relays, etc. are Schneider / ABB brand
Refrigerant R404A /R23/R14/R50 Mixed Refrigerant
Safety Protection High pressure protect; water supply cut-off protection; over-current protection; leakage protection; sequential and phase failure protection; High temperature protection; Sensor Failure protection; Liquid low level protection etc. multi-safety protection
Piping material Copper tube
Case material Cold rolled sheet spray 7035
Cooling Water
at 20 degree
2.5m³/h 3m³/h 4m³/h 6m³/h 10m³/h
Power 380V50HZ 8.6kW 380V50HZ 12kW 380V50HZ 16kW 380V50HZ 24kW 380V50HZ 36kW
Dimension  (mm) 700*1000*1750 700*1000*1750 800*1200*1850 1000*1500*1850 1450*2050*2050
Weight (kg) 320kg 350kg 400kg 600kg 950kg
dB within 75 dB within 80 dB within 90 dB


Applied To Real-life Scenes In Various Industries



LNEYA cryogenically cooled cannabis industry's evolving extraction method

The extraction stage of cannabis processing is important for producing the best yield and compounds suitable for the desired application. For example, excess lipids, waxes, solvents and other components. On the other hand, formulations that require increased purity, such as products for evaporation and inhalation, may require the complete absence of trace amounts of extraction solvent or contaminating compounds.
 
Past extraction methods have been limited to organic extraction, plus temperature treatment, distillation and fractionation. In 2017, advanced extraction methods are increasingly used. The alkaline organic extraction process can include ethanol treatment and agitation prior to filtration and separation of the organic phase. The solution is then solvent removed by vacuum distillation or using a rotary evaporator or rotary evaporator. The heat treatment prior to extraction is used to drive the decarboxylation of cannabinoids to enrich the biologically active form of the compound. Cooling the extraction solvent and extraction solution helps to increase yield and prevent thermal decomposition or product loss.
 
This method has a history of separating relatively crude cannabis extracts for various uses. By using HPLC, TLC and other analytical methods, individual compounds can be further fractionated downstream - cannabinoids such as THC and CBD-pinene and flavonoids. A disadvantage of using these extraction methods for pharmaceutical or other sensitive applications is that residual solvents are typically present in the final product.
 
Another technique based on the same basic premise involves the use of supercritical carbon dioxide as the extraction solvent. The CO 2 is pressurized to its supercritical state and the resulting liquid is passed through a vessel containing the hemp material. After filtration, the CO 2 was removed by reducing the pressure to return it to the gas phase and the extract was solvent free. Advanced equipment may even include downstream fractionation components to further separate specific compounds.
 
Significant advantages of this method include a significant reduction in safety issues compared to volatile and flammable solvents, and no residual organic solvents and potential health effects. A great advantage of the supercritical carbon dioxide process involves the fact that the solvent can be reused and recycled through the unit. In fact, the impact of carbon dioxide on the environment is more subtle, and from a sustainable perspective, this is a superior approach.
 
As the industry develops and the scale of cannabis production expands, efficiency will become key. Extraction efficiency plays an important role in cannabis pipelines in terms of yield, material cost, production time, safety and sustainability.
 
LNEYA low temperature cooling refrigerator LN, LJ series, temperature range -60 ° C ~ -10 ° C, served as a temperature control role in the cannabis extraction process.


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